1. But investigators were not satisfied with the answer: they still did not know what agent brought plasmodium to human beings.
    但是调查者对答案并不满意：他们仍不知道是什么媒介物把疟原虫带给了人类。

2. What then was the malaria-transmitting agent?
    那么，传染疟疾的中介又是什么呢？

3. The new housing estate stretches beyond the playing-fields.
    新的住宅区一直延伸到游乐场的那一边.

4. The real estate business is thriving.
    房地产生意兴隆。

5. He disclaimed a share in his uncle´s estate.
    他放弃对他叔叔财产的继承。

6. He owns a large estate in Scotland.
    他在苏格兰有大量地产.

7. A French physician decided to get rid of the wild rabbits on his own estate and introduced myxomatosis.
    一位法国内科医生决定除掉自己庄园内的野兔子，于是引进了这种多发性粘液瘤疾病。

8. Albert did not fit the description of any secret agent Charles had ever read about.
    艾伯特一点也不像查尔斯读过的书里描写的特工。

9. "Someone may have an estate of $1 billion and he may not want a second spouse to get a payment of half a billion.
    "有人可能有价值10亿美元的财产，而他又不想让第二个配偶分得5亿美元。

10. Mr. Williams bought an estate with a fine brick house in England.
    威廉斯在英格兰买了幢高级的砖结构住宅。